Q3// The nicotine content in a certain brand of king-size cigarettes has a normal distribution with a mean content of 1.8 mg and a standard deviation of 0.2 mg. Find the probability that the nicotine content of a randomly picked cigarette of this brand will be: 1. Less than 1.45 mg 2. Between 1.45 mg and 1.65 mg 3. Between 1.95 mg and 2.15 mg

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Q3// The nicotine content in a certain brand of king-size cigarettes has a normal distribution with a
mean content of 1.8 mg and a standard deviation of 0.2 mg. Find the probability that the nicotine
content of a randomly picked cigarette of this brand will be:
1. Less than 1.45 mg
2. Between 1.45 mg and 1.65 mg
3.
Between 1.95 mg and 2.15 mg
More than 2.15 mg
4.
(N(0.75) = 0.7734,
N(1.75) = 0.9594)
Transcribed Image Text:Q3// The nicotine content in a certain brand of king-size cigarettes has a normal distribution with a mean content of 1.8 mg and a standard deviation of 0.2 mg. Find the probability that the nicotine content of a randomly picked cigarette of this brand will be: 1. Less than 1.45 mg 2. Between 1.45 mg and 1.65 mg 3. Between 1.95 mg and 2.15 mg More than 2.15 mg 4. (N(0.75) = 0.7734, N(1.75) = 0.9594)
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